"Nov. 2, 2012 -- Safety steps taken in the wake of the fungal meningitis outbreak have worsened drug shortages, raising questions about whether the U.S. must choose between the safety and the availability of crucial medicines.
Aspirin and Codeine
(acetylsalicylic acid and codeine)
(WARNING: May be habit forming)
Aspirin (acetylsalicylic acid) occurs as white crystals, commonly tabular or needle-like, or white, crystalline powder. It is odorless or has a faint odor. Its chemical name is: 2-(acetyloxy)benzoic acid. Its molecular formula is:
C9H8O4 with a molecular weight of 180.16
Codeine is an alkaloid, obtained from opium or prepared from morphine by methylation. Codeine phosphate occurs as fine, white, needle-shaped crystals, or white, crystalline powder. It is odorless and is affected by light. Its chemical name is: 7,8-didehydro-4,5oe epoxy-3-methoxy-17~ methylmorphinan~6oe-ol phosphate (1 :1) (salt) hemihydrate. Its molecular formula is:
C18H21NO3†H3PO4†1/2 H2O with a molecular weight of 406.37
Aspirin and codeine phosphate tablets for oral administration combine the following inactive ingredients: colloidal silicon dioxide, corn starch, microcrystalline cellulose, povidone, and stearic acid.
Last reviewed on RxList: 12/8/2004
This monograph has been modified to include the generic and brand name in many instances.
Additional Empirin Codeine Information
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